Search Results for author: Jim Mutch

Found 3 papers, 0 papers with code

Computational role of eccentricity dependent cortical magnification

no code implementations6 Jun 2014 Tomaso Poggio, Jim Mutch, Leyla Isik

From the slope of the inverse of the magnification factor, M-theory predicts a cortical "fovea" in V1 in the order of $40$ by $40$ basic units at each receptive field size -- corresponding to a foveola of size around $26$ minutes of arc at the highest resolution, $\approx 6$ degrees at the lowest resolution.

Translation

Unsupervised Learning of Invariant Representations in Hierarchical Architectures

no code implementations17 Nov 2013 Fabio Anselmi, Joel Z. Leibo, Lorenzo Rosasco, Jim Mutch, Andrea Tacchetti, Tomaso Poggio

It also suggests that the main computational goal of the ventral stream of visual cortex is to provide a hierarchical representation of new objects/images which is invariant to transformations, stable, and discriminative for recognition---and that this representation may be continuously learned in an unsupervised way during development and visual experience.

Object Recognition speech-recognition +1

Why The Brain Separates Face Recognition From Object Recognition

no code implementations NeurIPS 2011 Joel Z. Leibo, Jim Mutch, Tomaso Poggio

Many studies have uncovered evidence that visual cortex contains specialized regions involved in processing faces but not other object classes.

Face Identification Face Recognition +2

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